<!-- 第7章/connect_socketio/static/index.html -->
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="socket.io.js"></script>
</head>

<body>
    <div>
        <button class="btn_my_event">my_event</button>
        <button class="btn_login">Login</button>
    </div>
    <div id="output">
    </div>

    <script src="app.js"></script>
</body>

</html>